$3x^3+9x^2-27x+27$

$\int\:9\:x^2\sin\left(8x\right)dx$

$64x^4-100$

$\left(3\right)\left(-22\right)$

$\left(y+z\right)^2-2\left(y+z\right)\left(a+y\right)+\left(a+y\right)^2$

$x\frac{2}{3}x\frac{1}{2}$

$3cos^2\left(x\right)+5cos\left(x\right)-2=0,\:\left[0,360\right]$